
int main(int argc, char **argv)
{
	int a = 3;
	int aa, bb, cc, dd;
	switch(a)
	{
		case(1):
			aa = 1;
			break;
		case(2):
			bb = 2;
			break;
		case(3):
			cc = 3;
			break;
		default:
			dd = 4;
	}
	return 0;
}
